21-01-2021, 11:26 PM
I would clean the crank in a bath of Bilt Hamber rust removal, then crack test.
If ok then consider polish or regrind. If this is a proper Nippy engine I would only use
38mm Phoenix crank. Wouldn’t risk a Nippy crankcase with old crank.
If ok then consider polish or regrind. If this is a proper Nippy engine I would only use
38mm Phoenix crank. Wouldn’t risk a Nippy crankcase with old crank.